2.5 Carat Radiant Natural Diamond Prices Comparison
As of October 2026, 2.5 carat radiant natural diamonds in the 2.50–2.74 carat benchmark range usually range from $1,245 to $59,317, with an average price of $25,822.In the last month, prices for these diamonds are down 0.4%.Compare 282 verified listings across 12 retailers tracked by CaratRadar.
2.5 Carat Radiant Natural Diamond Market Overview
CaratRadar currently tracks 282 verified 2.5-carat radiant natural diamonds in the 2.50–2.74 carat benchmark range, listed across 12 online retailers. Prices in this segment range from $1,245 to $59,317, with an average asking price of $25,822 and a median of $25,924.
The price spread of $58,072 (97.9% from highest to lowest) highlights why comparing identical certified diamonds across multiple retailers matters. Two identical certified diamonds can differ by hundreds or even thousands of dollars depending on the retailer.
These figures use the same benchmark range throughout the page and are based on our latest daily market data, matched by certification lab and certificate number across retailers, so you are comparing the exact same diamond.
282 diamonds tracked in the 2.50–2.74 carat benchmark
Price range: $1,245 to $59,317
Average price: $25,822
Median price: $25,924
Available across 12 retailers
Savings potential: up to 97.9%
Price Range Overview
As of Oct 14, 2026Real market range for this carat, shape, and diamond type.
282
$1,245
$25,822
$25,924
$59,317
Price History
Price Comparison Matrix
Live Listings
See all listingsCompare current retailer offers in the same benchmark range and open any listing for full details.
IGI | 2.5ct | Radiant | H | I1 | Very Good
From $5,128
Compare at $5,504
Save 20%HRD | 2.6ct | Radiant | J | SI2 | Ideal
From $6,196
Compare at $7,745
Save 13.1%IGI | 2.71ct | Radiant | I | I1 | Very Good
From $6,821
Compare at $7,851
Save 13.3%IGI | 2.53ct | Radiant | G | I1 | Ideal
From $7,284
Compare at $8,399
Save 21.1%GIA | 2.5ct | Radiant | L | VS2 | Very Good
From $7,493
Compare at $9,491
HRD | 2.51ct | Radiant | G | SI2 | Ideal
From $7,800
Compare at $8,051
Save 28.9%IGI | 2.54ct | Radiant | K | VS2 | Very Good
From $7,827
Compare at $11,005
Save 24.2%GIA | 2.5ct | Radiant | J | SI2 | Ideal
From $8,278
Compare at $10,916
Save 25.1%GIA | 2.51ct | Radiant | M | VVS2 | Ideal
From $8,286
Compare at $11,063
Save 20.8%GIA | 2.53ct | Radiant | L | SI2 | Excellent
From $8,556
Compare at $10,801
Save 11.2%GIA | 2.59ct | Radiant | K | VS2 | Very Good
From $8,696
Compare at $9,790
Save 20.4%GIA | 2.71ct | Radiant | K | SI2 | Very Good
From $9,558
Compare at $12,011
Save 21.8%HRD | 2.5ct | Radiant | G | SI2 | Ideal
From $10,075
Compare at $12,888
Save 26.3%GIA | 2.5ct | Radiant | L | VVS2 | Excellent
From $10,184
Compare at $13,825
Save 21.5%GIA | 2.5ct | Radiant | K | SI1 | Excellent
From $10,300
Compare at $13,120
GIA | 2.6ct | Radiant | K | SI1 | Ideal
From $10,490
Compare at $11,475
Save 22.6%GIA | 2.55ct | Radiant | K | SI1 | Excellent
From $10,684
Compare at $13,812
Save 22.6%GIA | 2.55ct | Radiant | K | SI1 | Excellent
From $10,684
Compare at $13,812
Save 14%GIA | 2.5ct | Radiant | K | SI2 | Very Good
From $10,807
Compare at $12,563
GIA | 2.51ct | Radiant | K | SI1 | Excellent
From $10,822
Compare at $11,369
GIA | 2.63ct | Radiant | J | SI2 | Ideal
From $11,011
Compare at $11,702
Save 22.2%HRD | 2.52ct | Radiant | H | SI1 | Excellent
From $11,197
Compare at $14,397
Save 26.5%GIA | 2.74ct | Radiant | L | VS1 | Good
From $11,345
Compare at $15,439
Save 20.1%GIA | 2.52ct | Radiant | K | SI1 | Excellent
From $11,587
Compare at $14,509
GIA | 2.5ct | Radiant | K | SI1 | Very Good
From $11,652
Compare at $11,655
Save 20.3%GIA | 2.51ct | Radiant | J | SI1 | Ideal
From $11,842
Compare at $14,866
Save 36.8%GIA | 2.5ct | Radiant | J | SI2 | Excellent
From $11,972
Compare at $18,957
Save 12.7%GIA | 2.52ct | Radiant | K | SI2 | Excellent
From $12,199
Compare at $13,978
GIA | 2.5ct | Radiant | K | SI1 | Excellent
From $12,437
Compare at $13,542
Save 20.2%GIA | 2.56ct | Radiant | K | SI1 | Excellent
From $12,451
Compare at $15,601
Save 11.5%GIA | 2.67ct | Radiant | J | VS1 | Very Good
From $12,479
Compare at $14,095
Save 20.2%GIA | 2.5ct | Radiant | K | SI1 | Excellent
From $12,504
Compare at $15,668
Save 33.3%GIA | 2.53ct | Radiant | I | SI2 | Very Good
From $12,631
Compare at $18,940
Save 14.1%GIA | 2.51ct | Radiant | K | VS2 | Excellent
From $12,731
Compare at $14,815
Save 20.2%GIA | 2.51ct | Radiant | J | SI2 | Excellent
From $12,835
Compare at $16,087
Save 20.2%GIA | 2.51ct | Radiant | K | SI1 | Excellent
From $12,862
Compare at $16,122
Save 25.8%GIA | 2.5ct | Radiant | K | VS2 | Excellent
From $12,989
Compare at $17,512
GIA | 2.5ct | Radiant | J | SI2 | Very Good
From $13,095
Compare at $13,452
GIA | 2.54ct | Radiant | J | SI2 | Excellent
From $13,382
Compare at $13,962
Save 23%GIA | 2.6ct | Radiant | J | SI1 | Excellent
From $13,748
Compare at $17,858
GIA | 2.53ct | Radiant | FANCY | VVS1 | Very Good
From $13,770
Compare at $14,009
Save 26%GIA | 2.5ct | Radiant | J | VS2 | Excellent
From $14,051
Compare at $18,986
Save 23%GIA | 2.51ct | Radiant | K | SI2 | Excellent
From $14,132
Compare at $18,356
Save 22.3%GIA | 2.51ct | Radiant | K | VVS1 | Excellent
From $14,242
Compare at $18,331
Save 23%GIA | 2.51ct | Radiant | J | SI1 | Excellent
From $14,437
Compare at $18,752
Save 20.2%GIA | 2.5ct | Radiant | J | SI2 | Excellent
From $14,453
Compare at $18,108
Save 23.5%GIA | 2.5ct | Radiant | I | SI2 | Very Good
From $14,623
Compare at $19,125
Save 12.1%GIA | 2.71ct | Radiant | J | SI2 | Very Good
From $14,680
Compare at $16,699
Save 25.3%GIA | 2.52ct | Radiant | I | SI2 | Ideal
From $14,756
Compare at $19,759
Save 12.1%GIA | 2.51ct | Radiant | J | SI1 | Excellent
From $14,852
Compare at $16,897
Entry pricing in this benchmark range starts around $1,245.
What to Know When Shopping for 2.5 Carat Radiant Natural Diamonds
- Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $58,072 or more.
- Focus on the 4Cs that matter most to you. Color and clarity grades drive price more than cut in many segments, but cut affects sparkle the most.
- The median price of $25,924 is a useful benchmark. If you see a deal significantly below this, verify the retailer's reputation and return policy.
- Consider eye-clean alternatives. Moving one clarity grade down (e.g., VS2 to SI1) can save 10-15% with no visible difference to the naked eye.
- Compare natural vs. lab-grown options for the same carat and shape. Lab-grown diamonds are chemically identical but often 30-50% less expensive.
- Check shipping, insurance, and return policies. The lowest sticker price is not always the best deal once you factor in total cost of purchase.
- Radiant cuts combine the elegance of emerald shapes with the brilliance of round cuts, offering good value per carat.
Frequently Asked Questions
We currently track 282 comparable stones in the 2.50–2.74 carat benchmark range. Prices start around $1,245 and go up to $59,317.
Based on the latest market data, the average asking price is about $25,822 with a median around $25,924.
The observed spread is roughly $58,072 across tracked listings, which is about 97.9% from highest to lowest offer in the 2.50–2.74 carat benchmark range.
We refresh pricing data daily so these pages stay current with market changes.
Based on completed market data, the fair market benchmark is $25,822. The median price is $25,924, so offers between the median and fair benchmark can be reasonable, while reputable listings below the median may be especially competitive.
We currently track this stone category across 12 online retailers, giving you a broad view of the competitive landscape.
For most buyers, color differences below G are hard to detect once set in a ring. Clarity grades of VS2 and above are typically eye-clean. Prioritize cut quality for maximum brilliance, then balance color and clarity based on your budget.
Retailer pricing strategies, overhead costs, and margin targets all contribute. The exact certified diamond can differ by $58,072 across sellers, which is why direct certified-diamond comparison is essential.
We match diamonds across retailers by their certification lab and certificate number. This means the prices you see are for the exact same physical diamond, not just stones with similar specs. It is a true apples-to-apples comparison.
Diamond prices fluctuate based on supply and demand. Our data refreshes regularly so you can track trends over time. Use the price range on this page as a benchmark and compare it to historical averages when available.
Diamond Terminology
- Carat
- A unit of weight for diamonds equal to 200 milligrams. Larger carat weights are exponentially rarer, which is why prices increase non-linearly with size.
- Cut
- Refers to how well a diamond's facets interact with light. Cut quality ranges from Ideal to Poor and is the single biggest factor affecting a diamond's brilliance.
- Color
- Grades a diamond's lack of color on a scale from D (colorless) to Z (light yellow). Grades D-F are considered colorless; G-J are near-colorless and offer good value.
- Clarity
- Measures the presence of internal inclusions or surface blemishes. Grades range from Flawless (FL) to Included (I3). Most inclusions in VS2 and above are invisible to the naked eye.
Related Price Categories
Explore adjacent carat ranges and shapes to compare market shifts.
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Tracking Natural inventory for the 2.50–2.74 carat Radiant diamond benchmark.